A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6105-01-601-8806
NSN 5905-00-535-8133
NSN 7035-01-413-6697
NSN 5990-01-306-9290
NSN 5960-00-959-3341
NSN 6610-01-153-0700
NSN 5855-01-480-8929
NSN 5905-00-283-9750
NSN 5985-01-278-5874
NSN 5930-00-733-5803
NSN 6610-01-425-1523
NSN 6135-01-164-3561